Xerophthalmia in northern Nigeria.
D000328:Adult; D001766:Blindness / Q000209:etiology; D002648:Child; D002675:Child, Preschool; D003231:Conjunctivitis / Q000209:etiology; D004196:Disease Outbreaks; D005260:Female; D006801:Humans; D007223:Infant; D007634:Keratitis / Q000209:etiology; D008297:Male; D008457:Measles / Q000150:complications / Q000453:epidemiology; D009549:Nigeria; D009755:Night Blindness / Q000209:etiology; D014802:Vitamin A Deficiency / Q000150:complications; D014985:Xerophthalmia / Q000150:complications / Q000453:epidemiology / Q000209:etiology